If only one non-demo device is present, select it.

[sigrok-cli.git] / session.c

diff --git a/session.c b/session.c
index 705dcc8152fbfde59284fb61ba910ffb66abffbd..131d46f1aa7e9508aacc744d2e89fbbcefdbcede 100644 (file)
--- a/session.c
+++ b/session.c
@@ -71,36 +71,10 @@ static int set_limit_time(const struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-GHashTable *generic_arg_to_opt(const struct sr_option *opts, GHashTable *genargs)
-{
-       GHashTable *hash;
-       GVariant *gvar;
-       const struct sr_option *opt;
-       char *s;
-
-       hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
-                       (GDestroyNotify)g_variant_unref);
-       for (opt = opts; opt->id && opt->def; opt++) {
-               if (!(s = g_hash_table_lookup(genargs, opt->id)))
-                       continue;
-               if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE_UINT32)) {
-                       gvar = g_variant_new_uint32(strtoul(s, NULL, 10));
-                       g_hash_table_insert(hash, g_strdup(opt->id),
-                                       g_variant_ref_sink(gvar));
-                       printf("opt %s value %s\n", opt->id, s);
-               } else {
-                       g_critical("Don't know how to convert option '%s' to %s!",
-                                       opt->id, g_variant_get_type_string(opt->def));
-                }
-       }
-
-       return hash;
-}
-
 const struct sr_output *setup_output_format(const struct sr_dev_inst *sdi)
 {
        const struct sr_output_module *omod;
-       const struct sr_option *opts;
+       const struct sr_option **options;
        const struct sr_output *o;
        GHashTable *fmtargs, *fmtopts;
        char *fmtspec;
@@ -125,11 +99,11 @@ const struct sr_output *setup_output_format(const struct sr_dev_inst *sdi)
        if (!fmtspec)
                g_critical("Invalid output format.");
        if (!(omod = sr_output_find(fmtspec)))
-               g_critical("Unknown output format '%s'.", fmtspec);
+               g_critical("Unknown output module '%s'.", fmtspec);
        g_hash_table_remove(fmtargs, "sigrok_key");
-       if ((opts = sr_output_options_get(omod))) {
-               fmtopts = generic_arg_to_opt(opts, fmtargs);
-               sr_output_options_free(omod);
+       if ((options = sr_output_options_get(omod))) {
+               fmtopts = generic_arg_to_opt(options, fmtargs);
+               sr_output_options_free(options);
        } else
                fmtopts = NULL;
        o = sr_output_new(omod, fmtopts, sdi);
@@ -172,7 +146,8 @@ void datafeed_in(const struct sr_dev_inst *sdi,
        switch (packet->type) {
        case SR_DF_HEADER:
                g_debug("cli: Received SR_DF_HEADER.");
-               o = setup_output_format(sdi);
+               if (!(o = setup_output_format(sdi)))
+                       g_critical("Failed to initialize output module.");
 
                /* Set up backup analog output module. */
                oa = sr_output_new(sr_output_find("analog"), NULL, sdi);
@@ -483,26 +458,61 @@ int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
 
 void run_session(void)
 {
-       GSList *devices;
+       GSList *devices, *real_devices, *sd;
        GHashTable *devargs;
        GVariant *gvar;
        struct sr_session *session;
        struct sr_trigger *trigger;
        struct sr_dev_inst *sdi;
        uint64_t min_samples, max_samples;
+       gsize n_elements, i;
+       const uint32_t *dev_opts;
+       int is_demo_dev;
 
        devices = device_scan();
        if (!devices) {
                g_critical("No devices found.");
                return;
        }
+
+       real_devices = NULL;
+       for (sd = devices; sd; sd = sd->next) {
+               sdi = sd->data;
+
+               if (sr_config_list(sdi->driver, sdi, NULL, SR_CONF_DEVICE_OPTIONS, &gvar) != SR_OK) {
+                       g_critical("Failed to query sr_config_list(SR_CONF_DEVICE_OPTIONS).");
+                       return;
+               }
+
+               dev_opts = g_variant_get_fixed_array(gvar, &n_elements, sizeof(uint32_t));
+
+               is_demo_dev = 0;
+               for (i = 0; i < n_elements; i++) {
+                       if (dev_opts[i] == SR_CONF_DEMO_DEV)
+                               is_demo_dev = 1;
+               }
+
+               g_variant_unref(gvar);
+
+               if (!is_demo_dev)
+                       real_devices = g_slist_append(real_devices, sdi);
+       }
+
        if (g_slist_length(devices) > 1) {
-               g_critical("sigrok-cli only supports one device for capturing.");
-               g_slist_free(devices);
-               return;
+               if (g_slist_length(real_devices) != 1) {
+                       g_critical("sigrok-cli only supports one device for capturing.");
+                       return;
+               } else {
+                       /* We only have one non-demo device. */
+                       g_slist_free(devices);
+                       devices = real_devices;
+                       real_devices = NULL;
+               }
        }
+
        sdi = devices->data;
        g_slist_free(devices);
+       g_slist_free(real_devices);
 
        sr_session_new(&session);
        sr_session_datafeed_callback_add(session, datafeed_in, NULL);